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			var dataBJ = [  //城市A的空气污染指数数据
			[1, 55, 9, 56, 0.46, 18, 6, "良"], [2, 25, 11, 21, 0.65, 34, 9, "优"],
			[3, 56, 7, 63, 0.3, 14, 5, "良"], [4, 33, 7, 29, 0.33, 16, 6, "优"],
			[5, 42, 24, 44, 0.76, 40, 16, "优"], [6, 82, 58, 90, 1.77, 68, 33, "良"],
			[7, 74, 49, 77, 1.46, 48, 27, "良"], [8, 78, 55, 80, 1.29, 59, 29, "良"],
			[9, 267, 216, 280, 4.8, 108, 64, "重污"], [10, 185, 127, 216, 2.52, 61, 27, "中污"],
			[11, 39, 19, 38, 0.57, 31, 15, "优"], [12, 41, 11, 40, 0.43, 21, 7, "优"],
			[13, 64, 38, 74, 1.04, 46, 22, "良"], [14, 108, 79, 120, 1.7, 75, 41, "轻污"],
			[15, 108, 63, 116, 1.48, 44, 26, "轻污"], [16, 33, 6, 29, 0.34, 13, 5, "优"],
			[17, 94, 66, 110, 1.54, 62, 31, "良"], [18, 186, 142, 192, 3.88, 93, 79, "中污"],
			[19, 57, 31, 54, 0.96, 32, 14, "良"], [20, 22, 8, 17, 0.48, 23, 10, "优"],
			[21, 39, 15, 36, 0.61, 29, 13, "优"], [22, 94, 69, 114, 2.08, 73, 39, "良"],
			[23, 99, 73, 110, 2.43, 76, 48, "良"], [24, 31, 12, 30, 0.5, 32, 16, "优"],
			[25, 42, 27, 43, 1, 53, 22, "优"], [26, 154, 117, 157, 3.05, 92, 58, "中污"],
			[27, 234, 185, 230, 4.1, 123, 69, "重污"], [28, 160, 120, 186, 2.77, 91, 50, "中污"],
			[29, 134, 96, 165, 2.76, 83, 41, "轻污"], [30, 52, 24, 60, 1.03, 50, 21, "良"],
			[31, 46, 5, 49, 0.28, 10, 6, "优"]];
			var dataGZ = [  //城市B的空气污染指数数据
				[1, 26, 37, 27, 1.163, 27, 13, "优"], [2, 85, 62, 71, 1.195, 60, 8, "良"],
				[3, 78, 38, 74, 1.363, 37, 7, "良"], [4, 21, 21, 36, 0.634, 40, 9, "优"],
				[5, 41, 42, 46, 0.915, 81, 13, "优"], [6, 56, 52, 69, 1.067, 92, 16, "良"],
				[7, 64, 30, 28, 0.924, 51, 2, "良"], [8, 55, 48, 74, 1.236, 75, 26, "良"],
				[9, 76, 85, 113, 1.237, 114, 27, "良"], [10, 91, 81, 104, 1.041, 56, 40, "良"],
				[11, 84, 39, 60, 0.964, 25, 11, "良"], [12, 64, 51, 101, 0.862, 58, 23, "良"],
				[13, 70, 69, 120, 1.198, 65, 36, "良"], [14, 77, 105, 178, 2.549, 64, 16, "良"],
				[15, 109, 68, 87, 0.996, 74, 29, "轻污"], [16, 73, 68, 97, 0.905, 51, 34, "良"],
				[17, 54, 27, 47, 0.592, 53, 12, "良"], [18, 51, 61, 97, 0.811, 65, 19, "良"],
				[19, 91, 71, 121, 1.374, 43, 18, "良"], [20, 73, 102, 182, 2.787, 44, 19, "良"],
				[21, 73, 50, 76, 0.717, 31, 20, "良"], [22, 84, 94, 140, 2.238, 68, 18, "良"],
				[23, 93, 77, 104, 1.165, 53, 7, "良"], [24, 99, 130, 227, 3.97, 55, 15, "良"],
				[25, 146, 84, 139, 1.094, 40, 17, "轻污"], [26, 113, 108, 137, 1.481, 48, 15, "轻污"],
				[27, 81, 48, 62, 1.619, 26, 3, "良"], [28, 56, 48, 68, 1.336, 37, 9, "良"],
				[29, 82, 92, 174, 3.29, 0, 13, "良"], [30, 106, 116, 188, 3.628, 101, 16, "轻污"],
				[31, 118, 50, 0, 1.383, 76, 11, "轻污"]];
			var dataSH = [  //城市C的空气污染指数数据
				[1, 91, 45, 125, 0.82, 34, 23, "良"], [2, 65, 27, 78, 0.86, 45, 29, "良"],
				[3, 83, 60, 84, 1.09, 73, 27, "良"], [4, 109, 81, 121, 1.28, 68, 51, "轻污"],
				[5, 106, 77, 114, 1.07, 55, 51, "轻污"], [6, 109, 81, 121, 1.28, 68, 51, "轻污"],
				[7, 106, 77, 114, 1.07, 55, 51, "轻污"], [8, 89, 65, 78, 0.86, 51, 26, "良"],
				[9, 53, 33, 47, 0.64, 50, 17, "良"], [10, 80, 55, 80, 1.01, 75, 24, "良"],
				[11, 117, 81, 124, 1.03, 45, 24, "轻污"], [12, 99, 71, 142, 1.1, 62, 42, "良"],
				[13, 95, 69, 130, 1.28, 74, 50, "良"], [14, 116, 87, 131, 1.47, 84, 40, "轻污"],
				[15, 108, 80, 121, 1.3, 85, 37, "轻污"], [16, 134, 83, 167, 1.16, 57, 43, "轻污"],
				[17, 79, 43, 107, 1.05, 59, 37, "良"], [18, 71, 46, 89, 0.86, 64, 25, "良"],
				[19, 97, 71, 113, 1.17, 88, 31, "良"], [20, 84, 57, 91, 0.85, 55, 31, "良"],
				[21, 87, 63, 101, 0.9, 56, 41, "良"], [22, 104, 77, 119, 1.09, 73, 48, "轻污"],
				[23, 87, 62, 100, 1, 72, 28, "良"], [24, 168, 128, 172, 1.49, 97, 56, "中污"],
				[25, 65, 45, 51, 0.74, 39, 17, "良"], [26, 39, 24, 38, 0.61, 47, 17, "优"],
				[27, 39, 24, 39, 0.59, 50, 19, "优"], [28, 93, 68, 96, 1.05, 79, 29, "良"],
				[29, 188, 143, 197, 1.66, 99, 51, "中污"], [30, 174, 131, 174, 1.55, 108, 50, "中污"],
				[31, 187, 143, 201, 1.39, 89, 53, "中污"]];
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		    	{name:'AQIindex',index:1,text:'AQI指数'},
		    	{name:'PM25',index:2,text:'PM2.5'},
		    	{name:'PM10',index:3,text:'PM10'},
		    	{name:'CO',index:4,text:'一氧化碳(CO)'},
		    	{name:'NO2',index:5,text:'二氧化碳(NO2)'},
		    	{name:'SO2',index:6,text:'二氧化硫(SO2)'},
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						data:dataSH
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						data:dataGZ
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